20363421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27481}}^1$

素因数の和:27516

約数の個数: 16

約数和(自身を含む): 30779840

約数和(自身を除く): 10416419

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27481, 82443, 357253, 522139, 1071759, 1566417, 6787807, 20363421]

約数ペア:

[(1, 20363421), (3, 6787807), (13, 1566417), (19, 1071759), (39, 522139), (57, 357253), (247, 82443), (741, 27481)]